CN222703868U - High-efficiency low-temperature waste heat multilayer cross heat exchanger - Google Patents

Abstract

The utility model discloses a high-efficiency low-temperature waste heat multilayer cross heat exchanger, which comprises a shell, wherein an upper header is fixedly connected to the shell, a first connecting pipe is fixedly connected in the upper header, a cross heat exchange pipe is fixedly connected to the first connecting pipe in a conducting way, a serpentine heat exchange pipe is connected to the input end of the cross heat exchange pipe in a conducting way, a bracket is fixedly connected to the serpentine heat exchange pipe, the bracket is fixedly connected to the shell, a lower header is arranged at the bottom end of the upper header, the lower header is fixedly connected to the shell, a second connecting pipe is fixedly connected to the lower header, and the input end of the serpentine heat exchange pipe is fixedly connected to the second connecting pipe.

Description

High-efficiency low-temperature waste heat multilayer cross heat exchanger

Technical Field

The utility model relates to the technical field of waste heat utilization, in particular to a high-efficiency low-temperature waste heat multilayer cross heat exchanger.

Background

In the fields of three waste treatment of chemical smelting building materials and the like, waste heat recovery devices are adopted for waste heat recovery and utilization after waste gas treatment, but the existing waste heat recovery devices have the defects that firstly, the heat exchange efficiency is low, the amount of treated flue gas is small, the requirements cannot be met, secondly, dust particles are contained in the flue gas, and a large amount of dust particles are easy to adhere to the surface of a heat exchanger after the flue gas is used for a long time, so that the heat exchange efficiency is reduced.

Disclosure of utility model

The utility model aims to provide a high-efficiency low-temperature waste heat multilayer cross heat exchanger so as to solve the problems in the background art.

In order to solve the technical problems, the utility model provides the technical scheme that the high-efficiency low-temperature waste heat multi-layer cross heat exchanger comprises a shell, wherein an upper header is fixedly connected to the shell, a first connecting pipe is fixedly connected to the upper header, a cross heat exchange pipe is fixedly connected to the first connecting pipe in a conducting manner, a snake-shaped heat exchange pipe is fixedly connected to the input end of the cross heat exchange pipe in a conducting manner, a bracket is fixedly connected to the snake-shaped heat exchange pipe and is fixedly connected to the shell, a lower header is arranged at the bottom end of the upper header and is fixedly connected to the shell, a second connecting pipe is fixedly connected to the lower header, and the input end of the snake-shaped heat exchange pipe is fixedly connected to the second connecting pipe in a conducting manner.

Preferably, the upper surface of the first connecting pipe is fixedly connected with a water outlet connector, and the upper surface of the second connecting pipe is fixedly connected with a water inlet connector.

Preferably, the lower surfaces of the first connecting pipe and the second connecting pipe are respectively communicated and fixed with a sewage discharging joint, and the lower surface of the first connecting pipe is communicated and fixed with an instrument joint.

Preferably, a smoke outlet is formed in the outer wall of one side of the shell, and a smoke inlet is formed in the lower surface of the shell.

Preferably, the shell upper surface is provided with the manhole, installs the apron on the manhole, and the both sides of apron all are provided with hoisting piece, and hoisting piece fixed connection is on the shell.

Preferably, the position department that corresponds the mouth of taking in the cigarette in the shell is provided with filter unit, filter unit is including advancing the tobacco pipe, first logical groove, a housing, the through-hole, the tobacco pipe of discharging fume, the sleeve, the second through-hole, the bottom plate, the collection ash chute, the stock guide, ash discharge port and sealing plug, and casing fixed connection is in the shell, fixedly connected with advances the tobacco pipe in the casing, the equipartition has a plurality of first logical grooves on the outer wall of advancing the tobacco pipe, the casing upper surface equipartition has a plurality of through-holes, the position department fixedly connected with that corresponds the through-hole in the casing discharges fume, the sleeve has been cup jointed outward to the tobacco pipe, and sleeve fixed connection has seted up the second through-hole in the casing on the one side outer wall that corresponds the tobacco pipe of discharging fume, and the second through-hole sets up along the tangential direction of discharging fume pipe, fixedly connected with bottom plate under the casing, collection ash chute has been seted up to the position department that corresponds the sleeve on the bottom plate.

Preferably, the lower surface of the bottom plate is fixedly connected with a material guide plate, a plurality of ash discharge ports are uniformly distributed on the outer wall of the shell at positions corresponding to the material guide plate, and sealing plugs are arranged in the ash discharge ports.

The high-efficiency low-temperature waste heat multi-layer cross heat exchanger has the advantages that the serpentine heat exchange tube and the cross heat exchange tube are used for working together, the heat exchange area is effectively increased, and therefore the heat exchange efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall front cut-away structure of the present utility model;

FIG. 2 is a schematic diagram of the overall side view of the present utility model in cross-section;

Fig. 3 is a schematic view of a front cut-away structure of a filter assembly of the present utility model.

In the figure, 1, a shell; 11, a smoke outlet, 12, a smoke inlet, 13, a manhole, 14, a cover plate, 15, a lifting piece, 16, an upper header, 17, a first connecting pipe, 18, an instrument joint, 19, a water outlet joint, 110, a lower header, 111, a second connecting pipe, 112, a water inlet joint, 113, a sewage discharging joint, 114, a cross heat exchange pipe, 115, a bracket, 116, a snake-shaped heat exchange pipe, 2, a filter assembly, 21, a smoke inlet pipe, 22, a first through groove, 23, a shell, 24, a through hole, 25, a smoke exhaust pipe, 26, a sleeve, 27, a second through groove, 28, a bottom plate, 29, an ash collecting groove, 210, a guide plate, 211, an ash discharging hole, 212 and a sealing plug.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Referring to fig. 1-3, the high-efficiency low-temperature waste heat multi-layer cross heat exchanger provided by the utility model comprises a shell 1, wherein an upper header 16 is fixedly connected to the shell 1, a first connecting pipe 17 is fixedly connected in the upper header 16, a cross heat exchange pipe 114 is fixedly connected to the first connecting pipe 17 in a conducting manner, a serpentine heat exchange pipe 116 is fixedly connected to the input end of the cross heat exchange pipe 114 in a conducting manner, a bracket 115 is fixedly connected to the serpentine heat exchange pipe 116, the bracket 115 is fixedly connected to the shell 1, a lower header 110 is arranged at the bottom end of the upper header 16, the lower header 110 is fixedly connected to the shell 1, a second connecting pipe 111 is fixedly connected to the lower header 110, the input end of the serpentine heat exchange pipe 116 is fixedly connected to the second connecting pipe 111, the upper header 16 is used for installing the first connecting pipe 17, the lower header 110 is used for installing the second connecting pipe 111, the bracket 115 is used for installing the serpentine heat exchange pipe 116, and the cross heat exchange pipe 114 and the serpentine heat exchange pipe 116 are jointly subjected to heat exchange, so that the heat exchange area is larger, and the heat exchange efficiency is improved; the upper surface of the first connecting pipe 17 is fixedly connected with a water outlet joint 19 in a conducting way, the upper surface of the second connecting pipe 111 is fixedly connected with a water inlet joint 112, the water outlet joint 19 is used for connecting a water outlet pipe, the water inlet joint 112 is used for connecting a water inlet pipe, the lower surfaces of the first connecting pipe 17 and the second connecting pipe 111 are fixedly connected with a sewage joint 113 in a conducting way, the lower surface of the first connecting pipe 17 is fixedly connected with an instrument joint 18, the sewage joint 113 is used for sewage, the instrument joint 18 is used for installing an instrument, a smoke outlet 11 is arranged on the outer wall of one side of the shell 1, a smoke inlet 12 is arranged on the lower surface of the shell 1, the smoke outlet 11 is used for discharging smoke after heat exchange, the smoke inlet 12 is used for inputting waste heat smoke, the upper surface of the shell 1 is provided with a manhole 13, the manhole 13 is provided with a cover plate 14, lifting pieces 15 are arranged on two sides of the cover plate 14, the lifting pieces 15 are fixedly connected to the shell 1, the manhole 13 is used for facilitating observation and maintenance of equipment, the cover plate 14 is used for closing the manhole 13, the lifting pieces 15 are used for connecting the lifting equipment, and therefore the device is moved, a filter assembly 2 is arranged in the shell 1 at a position corresponding to the smoke inlet 12, and the filter assembly 2 comprises a smoke inlet pipe 21, a smoke outlet 21, a smoke inlet pipe and a smoke outlet, A first through groove 22, a shell 23, a through hole 24, a smoke exhaust pipe 25, a sleeve 26, a second through groove 27, a bottom plate 28, an ash collecting groove 29, a material guiding plate 210, The ash discharge device comprises an ash discharge port 211 and a sealing plug 212, wherein the shell 23 is fixedly connected in a shell 1, a smoke inlet pipe 21 is fixedly connected in the shell 23, a plurality of first through grooves 22 are uniformly distributed on the outer wall of the smoke inlet pipe 21, a plurality of through holes 24 are uniformly distributed on the upper surface of the shell 23, the smoke discharge pipe 25 is fixedly connected at the position corresponding to the through holes 24 in the shell 23, a sleeve 26 is sleeved outside the smoke discharge pipe 25, the sleeve 26 is fixedly connected in the shell 23, a second through groove 27 is formed in the outer wall of one side of the sleeve 26 at the position corresponding to the smoke discharge pipe 25, the second through groove 27 is arranged along the tangential direction of the smoke discharge pipe 25, a bottom plate 28 is fixedly connected with the lower surface of the shell 23, a dust collection groove 29 is formed in the position corresponding to the sleeve 26 on the bottom plate 28, flue gas enters the shell 23 through the first through grooves 22 on the smoke inlet pipe 21, and enters the sleeve 26 along the tangential direction of the smoke discharge pipe 25, dust particles are separated from the airflow through the second through grooves 27, the dust collection groove 29 is fixedly connected with a guide plate 210 on the lower surface of the bottom plate 26, the position corresponding to the guide plate 210 on the outer wall of the shell 1 is provided with the dust discharge port 211, the dust discharge port 211 is uniformly distributed at the position corresponding to the guide plate 211 for sealing the dust discharge port 211, and the dust discharge port 212 is used for sealing the ash discharge port 211.

The utility model is used for utilizing waste heat, water is introduced into a second connecting pipe 111 through a water inlet joint 112, then flows into a first connecting pipe 17 through a serpentine heat exchange pipe 116 and a cross heat exchange pipe 114, is discharged from a water outlet joint 19, waste heat flue gas is introduced into a shell 1 through a smoke inlet 12, enters a filtering component 2 for filtering, the filtered flue gas exchanges heat with the serpentine heat exchange pipe 116 and the cross heat exchange pipe 114 and is then discharged from a smoke outlet 11, the principle of the filtering component 2 is that the flue gas enters a shell 23 through a first through groove 22 on a smoke inlet pipe 21, then enters a sleeve 26 through a second through groove 27 along the tangential direction of a smoke exhaust pipe 25, dust particles are separated from air flow under the action of centrifugal force, and fall on a material guide plate 210 through a dust collecting groove 29 on a bottom plate 28, clean flue gas is discharged from a through hole 24 if dust particles need to be cleaned, only a sealing plug 212 needs to be opened, and the dust particles are discharged from a discharge hole 211, wherein the filtering component 2 is used for facilitating observation and inspection of a manhole 13, a lifting device 14 is used for a lifting device, a lifting device 15 is used for being connected with a lifting device, a first connecting pipe joint 16 is used for being installed on a first connecting pipe joint 116, a meter 116 is used for installing a first connecting pipe 110, a drainage instrument 110, and a drainage instrument joint is used for installing a drainage instrument 110.

Claims (7)

1. A high-efficiency low-temperature waste heat multi-layer cross heat exchanger, comprising a shell (1), characterized in that: an upper header (16) is fixedly connected to the shell (1), a first connecting pipe (17) is fixedly connected inside the upper header (16), a cross heat exchange pipe (114) is conductively fixed to the first connecting pipe (17), an input end of the cross heat exchange pipe (114) is conductively connected to a serpentine heat exchange pipe (116), a bracket (115) is fixedly connected to the serpentine heat exchange pipe (116), and the bracket (115) is fixedly connected to the shell (1), a lower header (110) is provided at the bottom end of the upper header (16), and the lower header (110) is fixedly connected to the shell (1), a second connecting pipe (111) is fixedly connected inside the lower header (110), and the input end of the serpentine heat exchange pipe (116) is conductively fixed to the second connecting pipe (111). 2. The high-efficiency low-temperature waste heat multi-layer cross heat exchanger according to claim 1 is characterized in that a water outlet joint (19) is fixedly connected to the upper surface of the first connecting pipe (17), and a water inlet joint (112) is fixedly connected to the upper surface of the second connecting pipe (111). 3. The high-efficiency low-temperature waste heat multi-layer cross heat exchanger according to claim 2 is characterized in that: a sewage connector (113) is fixedly connected to the lower surface of the first connecting pipe (17) and the second connecting pipe (111), and an instrument connector (18) is fixedly connected to the lower surface of the first connecting pipe (17). 4. The high-efficiency low-temperature waste heat multi-layer cross heat exchanger according to claim 1, characterized in that a smoke outlet (11) is provided on an outer wall of one side of the shell (1), and a smoke inlet (12) is provided on the lower surface of the shell (1). 5. The high-efficiency low-temperature waste heat multi-layer cross heat exchanger according to claim 4 is characterized in that: a manhole (13) is provided on the upper surface of the shell (1), a cover plate (14) is installed on the manhole (13), and hanging parts (15) are provided on both sides of the cover plate (14), and the hanging parts (15) are fixedly connected to the shell (1). 6. The high-efficiency low-temperature waste heat multi-layer cross heat exchanger according to claim 4 is characterized in that: a filter assembly (2) is arranged at a position corresponding to the smoke inlet (12) in the shell (1), and the filter assembly (2) comprises a smoke inlet pipe (21), a first through groove (22), a shell (23), a through hole (24), a smoke exhaust pipe (25), a sleeve (26), a second through groove (27), a bottom plate (28), an ash collecting groove (29), a guide plate (210), an ash exhaust port (211) and a sealing plug (212), and the shell (23) is fixedly connected to the shell (1), the shell (23) is fixedly connected to the smoke inlet pipe (21), and the outer surface of the smoke inlet pipe (21) is fixedly connected to the shell (1). A plurality of first through grooves (22) are evenly distributed on the wall, a plurality of through holes (24) are evenly distributed on the upper surface of the shell (23), a smoke exhaust pipe (25) is fixedly connected at positions corresponding to the through holes (24) in the shell (23), a sleeve (26) is connected to the outer surface of the smoke exhaust pipe (25), and the sleeve (26) is fixedly connected to the shell (23), a second through groove (27) is opened at a position corresponding to the smoke exhaust pipe (25) on an outer wall of one side of the sleeve (26), and the second through groove (27) is arranged along the tangent direction of the smoke exhaust pipe (25), a bottom plate (28) is fixedly connected to the lower surface of the shell (23), and an ash collecting groove (29) is opened on the bottom plate (28) at a position corresponding to the sleeve (26). 7. The high-efficiency, low-temperature waste heat multi-layer cross-type heat exchanger according to claim 6 is characterized in that: a material guide plate (210) is fixedly connected to the lower surface of the bottom plate (28), and a plurality of ash discharge ports (211) are evenly distributed on the outer wall of the shell (1) at positions corresponding to the material guide plate (210), and a sealing plug (212) is arranged in the ash discharge port (211).